/Engine/Plugins/Experimental/VirtualCamera/Source/VirtualCamera/Public/IVirtualCameraOptions.h
Returns previously set unit of distance.
DesiredUnits - The unit that is used for distance measures like focus distance
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintNativeEvent, BlueprintCallable, Category="VirtualCamera | Options") EUnit GetDesiredDistanceUnits()